Can't see menu on Denon 5308
Just connected Denon to system. First, menu showed nicely on monitor. Then, after I adjusted some inputs and other things, no menu - can still see menu on unit itself, so I can do all of the settings, but menu does not show on monitor. All other input (DVR, DVD) show nicely on monitor. Using HDMA output to Sharp Aquos 52" LCD, HDMA input from DVR and Component/optical from Denon DVD (the DVD has HDMA, but must be earlier generation because it does not seem compatible with 5308). Any ideas?